<div style="height: 800px;background-color: blue">

</div>
<h1 id="anchor1">Anchor 1</h1>
<div style="height: 800px;background-color: blue">

</div>
<h1 id="anchor2">Anchor 2</h1>
<div style="height: 800px;background-color: blue">

</div>
<h1 id="anchor3">Anchor 3</h1>
<div style="height: 800px;background-color: blue">

</div>
<h1 id="anchor4">Anchor 4</h1>
<div style="height: 1800px;background-color: blue">

</div>
